This is a multi-adapter balance cable from ProTek R/C. The multi-adapter balance cable allows you to use any of the ProTek R/C 6S multi-adapter balance boards with your ProTek R/C 6S balance charger. This cable may also be used as a longer cable on the EOS, LBA10 and Hyperion Balance Chargers, or any other charger that uses an XH compatible balance adapter port.